Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Silly Putty Lite-Brite Etch-A-Sketch Play-Doh Silly Putty Lite-Brite Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Marjorie Joyner Margaret Knight Amanda Jones Mary Kies Marjorie Joyner Margaret Knight Amanda Jones ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Fahrenheit Michael Faraday Thomas Alva Edison Sir Alexander Graham Bell Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Waterbed Sofa bed Captain's chair Hammock Waterbed Sofa bed Captain's chair Hammock ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP